Four Tips For Choosing Solar Panels

by:Longsun     2020-05-15
Solar energy technology has been utilized in millions of households around the world. This green technology is gaining more popularity due to the many benefits it offers. Solar power is free, non-polluting, and readily available. Home solar system is indeed an expensive investment; therefore you must choose the appropriate solar panels for your house wisely. Below are some useful tips you can take into consideration. 1. Cost We all know that applying home solar system requires large amount of money at the beginning, but that one time investment offers benefits that can last for decades. There are several factors that determine the price of solar panel, such as physical size, size of wattage, brand, warranty period, and certification. When buying solar panels, you should compare these aspects and choose the ones that give you more value for money. In some cases, some of these factors are negligible. In the UK, for example, panels must have certification in order for a house owner to get incentives from the government. However, if such incentives are not available where you live, you do not have to get the certified ones.A� 2. Warranty Period Most solar panels sold in the market come with 25-year and 30-year warranties. Some of them only come with a 10-year warranty. You may choose the ones with shorter warranty period, but you have to make sure that they are worth investing in.A� 3. Wattage Requirement As mentioned above, the size of wattage can also determine the price of solar panels. You need to calculate the amount of electricity you require at home. If you only need 90 Watts, for example, do not buy a 200 Watt solar panel. Keep in mind that the bigger the wattage, the higher the price.A� 4. Solar Cells There are 3 types of solar cells according to the types of crystals used in them: mono-crystalline silicon, crystalline silicon and amorphous silicon. Mono-crystalline silicon panels are considered the most efficient. On the other hand Amorphous silicon panels are the least efficient. They need larger surface area to produce same amount of energy produced by mono-crystalline silicon panels. However, you can combine all 3 types into one system. Each type has their own characteristics, and you can match them with the electricity requirements of your house. That way, you can create the most effective system. Ask experts to know which combination works best for your home.
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